#!/usr/bin/python
import sys, os, re
def pidof(command):
 ps = os.popen('ps -ax -o pid,comm')
 processes = map(str.strip, ps.readlines())
 ps.close()
 pids = []
 for process in processes[1:]:  # skip header
  #print >>sys.stderr, 'checking', process
  pid, comm = re.compile('(\d+)\s+[(]?([^)]+)[)]?$').match(process).groups()
  if os.path.basename(comm) == command:
   pids.append(pid)
 return pids
if __name__ == '__main__':
 print ' '.join(pidof(sys.argv[1]))